Issue 25, 2014

Magnetic control of flexoelectric domains in a nematic fluid

Abstract

The formation of flexoelectric stripe patterns (flexodomains) was studied under the influence of external electric and magnetic fields in a nematic liquid crystal. The critical voltage and wavevector of flexodomains were investigated in different geometries by both experiments and simulations. It is demonstrated that upon altering the orientation of the magnetic field with respect to the director, the critical voltage and wavenumber behave substantially differently. In the geometry of the twist Freedericksz transition, a non-monotonic behavior as a function of the magnetic field was found.

Graphical abstract: Magnetic control of flexoelectric domains in a nematic fluid

Article information

Article type
Paper
Submitted
22 Jan 2014
Accepted
27 Mar 2014
First published
28 Mar 2014
This article is Open Access
Creative Commons BY license

Soft Matter, 2014,10, 4487-4497

Author version available

Magnetic control of flexoelectric domains in a nematic fluid

P. Salamon, N. Éber, Á. Buka, T. Ostapenko, S. Dölle and R. Stannarius, Soft Matter, 2014, 10, 4487 DOI: 10.1039/C4SM00182F

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